Moonrise Towers

Okay, so I’m level 6 right now & ready to attack moonrise towers. (I know super under leveled… I get really lucky with my rolls & I end up getting out of big fights 🤷🏻‍♀️). I’m locked out of Act 1 places now & though I have a save I’ve done WAY too much to go back and restart. I’ve done the Gaunlet as well. I also saved the Nightsong and have no Harpers except Jaheira (idk they all died during the battle after Isobel gets kidnapped) I need help figuring out ideas to level up my character before continuing to moonrise towers, at this point I’m not 100% sure what I should do. Any guidance on gaining xp would be really appreciated.